153results about "Dye lakes" patented technology

Provided is a colored photosensitive curing composition useful for color filters in primary colors, including blue, green, and red, having a high molar absorption coefficient and allowing a reduction in film thickness and superior color purity and fastness. A colored photosensitive curing composition, comprising, as its colorant, a dipyrromethene-based metal complex compound obtained from a metal or metal compound and a dipyrromethene-based compound represented by the following Formula (I): wherein in Formula (I), R1 to R6 each independently represent a hydrogen atom or a substituent group; and R7 represents a hydrogen or halogen atom, or an alkyl, aryl or heterocyclic group.

Provided is a yellow toner having toner particles each containing at least a binder resin, a colorant, and a polar resin, the yellow toner being characterized in that: the colorant is a coloring compound having a specific structure; in a microscopic compression test at a measurement temperature of 25° C., the toner has a recovery ratio Z(25) of 40 to 80%; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) of 40° C. to 60° C. and a temperature (P1) of the highest endothermic peak measured with the DSC of 70° C. to 90° C., and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy the relationship of 15° C.≦P1−TgA≦50° C.

The present invention relates to dry particulate encapsulation compositions comprising a water-insoluble matrix comprising at least 70% by weight of proteins, based on the total weight of the matrix and a moisture content of about 5 to 10% by weight, based on the total weight of the matrix and an encapsulate encapsulated in the matrix, wherein the matrix once wetted in a clear colorless aqueous solution or in mineral oil has a lightness value (L*) greater than about 40, a color vividness or Chroma (C*) lower than about 33 and a hue angle between about 70 and 90. The encapsulation compositions of the present invention are useful in encapsulating dyes, medications and vitamins. Fine particulate encapsulation compositions comprising natural dyes can be used in lieu of artificial lakes in confectionery, cosmetics and caplets color coatings.

Disclosed are methods of processing kaolin to produce ultrafine hydrous kaolin. The methods involve processing gray crude kaolin by subjecting the kaolin crude to flotation and then centrifuging the kaolin to provide a fine stream that is subject to refinement. Also disclosed are systems for the automated processing of gray crude kaolin to produce the ultrafine hydrous kaolin and paint compositions that contain the ultrafine hydrous kaolin.

An unsupported platy titanium dioxide pigment containing an organic dye laked thereon. The dyed TiO2 pigment is useful to color cosmetic, food, and drug formulations.

A composition is disclosed herein comprising from about 0.001% to about 0.4% cyclosporin A, castor oil, and a surfactant selected from the group consisting of alcohol ethoxylates, alcohols, alkyl glycosides, alkyl polyglycosides, alkylphenol ethoxylates, amine oxides, block polymers, carboxylated alcohol or alkylphenol ethoxylates, carboxylic acids / fatty acids, cellulose derivatives, ethoxylated alcohols, ethoxylated alkylphenols, ethoxylated aryl phenols, ethoxylated fatty acids, ethoxylated fatty acids, ethoxylated fatty esters and oils, fatty alcohols, fatty esters, glycol esters, lanolin-based derivatives, lecithin and lecithin derivatives, lignin and lignin derivatives, methyl esters, monoglycerides and derivatives, phosphalipids, polyacrylic acids, polyethylene glycols, polyethylene oxide-polypropylene oxide copolymers, polyethylene oxides, polymeric surfactants, polypropylene oxides, propoxylated alcohols, propoxylated alkyl phenols, propoxylated fatty acids, protein-based surfactants, sarcosine derivatives, silicone-based surfactants, sorbitan derivatives, stearates, sucrose and glucose esters and derivatives, and combinations thereof.

The present invention includes a paint or coating composition comprising an organic pigment or dye complexed to the surface of a layered or fibrous inorganic clay. A wide variety of paint colors can be obtained by varying the pH during the preparation as well as by varying the synthesis conditions and changing particle size of the clay.

The invention discloses a preparation method of C.I. pigment purple 3, which comprises the following steps: (1) preparing polybasic heteroacid; (2) dissolving dye; (3) making a pigment color lake; and (4) carrying out after-treatment on the pigment. The preparation method disclosed by the invention effectively solves the problem of color lake completion of the dye, so that the pigmented solution water has much lower indexes (color, COD (chemical oxygen demand) and the like), and produces slight environmental pollution in the aspect of pollution discharge. The pigment prepared by the method disclosed by the invention can be used in water-based external wall paint, has favorable light fastness and weather resistance, and can also be used in various solvent inks, water-based inks, offset printing inks and the like.

The invention provides a process for producing homogeneous and storage-stable pastes, inks, paints, coverings, coatings and coating materials which comprises using ionic liquids as dispersing additives.

The invention relates to a preparation method for C.I. paratonere 49:1 and belongs to the field of organic pigments. According to the preparation method, in the preparation of diazonium liquid, a second diazonium component 2-naphthylamine-1,5-disulfonic acid and a non-ionic surface active agent are added; in the preparation of coupling liquid, a second coupling component 2-hydroxy-3-naphthoic acid is added; and in color lake reaction, a polyoxyalkylene amine pigment modifying agent and a second color lake agent aluminum chloride are added. Specifically, the preparation method comprises the following steps: preparing the diazonium liquid; preparing the coupling liquid; performing coupled reaction; and performing color lake reaction and after-treatment. The C.I. paratonere 49:1 prepared according to the preparation method has lower viscosity and higher tinting power and gloss.

The invention relates to a plant for carrying out chemical processes comprising at least means for directly carrying out the conversion in the form of means for developing products and / or in the form of at least one reactor for the continuous industrial manufacture of products, devices for receiving and / or providing starting materials and / or products and devices for controlling the conversion, which are combined to a single integrated and transportable functional unit serving as infrastructure, preferably in the form of a standardised transport container.

The invention discloses a preparation method for a C.I. pigment red 53:1. The preparation method comprises the following steps of: the preparation of diazo liquid, the preparation of coupling liquid, coupling, laking reaction and post treatment. By the preparation method, the adverse effect on environment and human bodies when the component of the diazo liquid, namely 2-amino-5-chlorin-4-methyl benzene sulfonic acid is dissolved is effectively avoided; the problems that the heavy metal barium in the product exceeds the standard due to the addition of excess barium chloride in the laking reaction, and the heat resistance of the product is reduced due to the use of rosin are effectively solved; simultaneously, the pigment prepared by the method is bright in color, easy to disperse, and floppy in pigment particles; and moreover, the content of the soluble heavy metal barium in the product is below 80 mg / kg.

Provided is a colored photosensitive curing composition useful for color filters in primary colors, including blue, green, and red, having a high molar absorption coefficient and allowing a reduction in film thickness and superior color purity and fastness. A colored photosensitive curing composition, comprising, as its colorant, a dipyrromethene-based metal complex compound obtained from a metal or metal compound and a dipyrromethene-based compound represented by the following Formula (I):wherein in Formula (I), R1 to R6 each independently represent a hydrogen atom or a substituent group; and R7 represents a hydrogen or halogen atom, or an alkyl, aryl or heterocyclic group.

This invention relates to non-bleeding and controlled color-releasing speckles for use in granular laundry detergents and other consumer products. The speckles are comprised of a salt or salt-containing carrier, a coloring agent, and a water-insoluble (or minimally water-soluble) salt coating.

The present invention belongs to the field of food additive technology, and discloses an improved edible colour lake preparation method. On the basis of adopting aluminium trichloride and sodium hydrogen carbonate as matrix said invention can regulate and select the temp. of colour lake, pH value and proportioning condition so as to make the edible colour lake product colour bright, appearance difference small, grain size small, water-proof dissolving out property good, content range by increased and chromatographic specification complete.

Provided is a curable fluid with relatively low viscosity capable of forming a polymeric composition, subsequent to exposure to cure conditions. Also provided are coated articles made of substrates coated by such compositions, and further provided are composite articles made of substrates bonded by such compositions; further provided are methods of making such coated and composite articles.

The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

Disclosed are compositions comprising cellulosic material, PVC or a PVC copolymer, and a coupling agent which comprises a grafted polymer, an ethylene copolymer, a carboxylated polyacrylate or mixtures thereof. Articles made from the composite cellulosic compositions are also disclosed.

An organic-pigment aqueous dispersion, containing a pigment at a concentration of 6 to 30 mass %, and having a haze of 0.3 to 10%, as determined by enclosing the dispersion in a transparent glass cell of optical distance 0.2 mm and analyzing with integrating-sphere photoelectric photometry; and a colored coating composition using the same.

An inkjet ink composition having good stability which is an aqueous dispersion and / or solution of large particles of water soluble pigments derived from laked dyes, the water solubilizing groups on the surface of the laked dyes being exposed by removing surface counter-cations with chelating agents.

Fluoroaryl Grignard reagents are produced from a hydrocarbyl Grignard reagent and fluoroaromatic compounds via separate additions of different fluoroaromatic compounds, such that the conversion of hydrocarbyl Grignard reagent to the desired fluoroaryl Grignard reagent is essentially complete, and thus the reaction product is free or essentially free of agents that may negatively affect subsequent reactions. The fluoroaryl Grignard reagents may be further reacted with boron trihalides in order to obtain tris(fluoroaryl)boranes or tetrakis(fluoroaryl)borates.

To obtain a water-resistant polarizing film free from deterioration in dichroic ratio caused by water-resistant treatment, it is critical that adjacent sulfonic acid groups or sulfonate groups in the organic dyes to be used for the polarizing film are spaced at moderate intervals. In a process for producing a water-resistant polarizing film of the present invention, the polarizing film before water-resistant treatment includes an organic dye which comprises an azo compound 20 represented by the following general formula (1) or (2)

The invention provides a colorized and ultrafine microencapsulated red phosphorus flame retardant with an average particle size of 0.1-20 Mum; and a preparation method thereof comprises the following steps: color lake chemical deposition is conducted to the surfaces of ultrafine red phosphorus particles and then a urea resin water solution, a melamine resin water solution or a phenol formaldehyde resin water solution is used for conducting microencapsulation to the ultrafine red phosphorus particles. The colorized and ultrafine microencapsulated red phosphorus flame retardant can serve as a red phosphorus flame retardant which is characterized by high phosphorus content, high thermal stability, high chemical stability, high ignition point and low hydroscopicity; in addition, the colorized and ultrafine microencapsulated red phosphorus flame retardant can serve as organic pigment which is characterized by pure chromaticity, high color fastness, strong migration resistance and low toxicity. When serving as the organic pigment to match with other dye or pigment, the colorized and ultrafine microencapsulated red phosphorus flame retardant does not have chemical reaction with the dye or pigment and the color matching has high color phase stability. The colorized and ultrafine microencapsulated red phosphorus flame retardant can be well compatible with synthetic materials and has wide application range.

Disclosed herein are embodiment relating to a methods of obtaining a functionalized porous or fibrous solid substrate with the chemical and / or physical properties of a nano-structured molecular or polymer chemical compound that contains it. In accordance with some example embodiments, the properties of the starting substrate may be modified to obtain a new functionalized substrate. The new substrate may have various applications, such as, for example, an optical- and / or fluorescent-type chemical sensor, as a chemical sequestrator, or as a modifier of the properties of a surface, making it, for example, superhydrophobic.

The invention aims at providing a lake pigment which exhibits excellent light resistance and heat resistance and has a triarylmethane structure and / or a rhodamine structure, and a pigment dispersion using the lake pigment. Therefore, the invention provides a pigment composition, which is characterized in that an untreated pigment of the lake pigment with the triarylmethane structure and / or the rhodamine structure is treated by an organic acid selected from substituted or unsubstituted aryl sulfonic acid and substituted or unsubstituted aryl carboxylic acid.

A composition comprising compound of formula I, a process for preparing the composition comprising compound of formula I, methods of authentication for an article comprising compound of formula I or compound of formula II, authentication technology for polymer based articles comprising compound of formula I or formula II, methods of facilitating such authentication and method of making articles capable of authentication.